Heat Advisory
2026-07-21T23:00:00-07:00

* WHAT...High temperature today of 95 to 98 degrees F. * WHERE...Cascade Foothills of Marion and Linn Counties and Linn County Lowlands. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from area fires and incoming cloud cover may reduce temperatures in some locations. However, there remains a high probability of temperatures meeting Major HeatRisk today. This is especially true within the valleys.

Quartzville Creek Near Cascadia, Oreg. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 839.36
01-02 896.7
01-03 1192.8
01-04 800.83
01-05 952.0
01-06 1028.33
01-07 1196.58
01-08 1212.67
01-09 1282.36
01-10 1111.25
01-11 1028.5
01-12 1111.42
01-13 2009.8
01-14 1181.36
01-15 841.33
01-16 924.4
01-17 874.46
01-18 1074.33
01-19 2309.08
01-20 1804.92
01-21 1498.5
01-22 1331.46
01-23 1459.75
01-24 1258.17
01-25 1741.08
01-26 1273.82
01-27 1379.46
01-28 1583.69
01-29 1351.85
01-30 1261.5
01-31 860.69
02-01 811.38
02-02 792.69
02-03 633.77
02-04 654.15
02-05 546.77
02-06 701.83
02-07 825.77
02-08 968.67
02-09 831.93
02-10 991.57
02-11 869.31
02-12 840.71
02-13 1335.29
02-14 1030.92
02-15 1088.93
02-16 1254.5
02-17 1031.5
02-18 1110.23
02-19 1167.29
02-20 906.29
02-21 808.43
02-22 788.71
02-23 1090.93
02-24 1401.79
02-25 1084.5
02-26 784.46
02-27 700.43
02-28 656.64
02-29 1100.0
03-01 1042.07
03-02 898.08
03-03 940.14
03-04 858.5
03-05 684.5
03-06 901.07
03-07 845.15
03-08 628.0
03-09 875.57
03-10 891.23
03-11 820.79
03-12 861.14
03-13 1055.21
03-14 1241.58
03-15 1015.62
03-16 1437.07
03-17 1134.79
03-18 924.07
03-19 916.93
03-20 893.43
03-21 1181.27
03-22 1253.54
03-23 971.29
03-24 943.13
03-25 1098.67
03-26 970.8
03-27 964.07
03-28 1067.27
03-29 1348.53
03-30 1523.07
03-31 1408.29
04-01 1047.71
04-02 954.73
04-03 845.47
04-04 773.4
04-05 838.8
04-06 1007.21
04-07 1296.8
04-08 1649.4
04-09 1060.08
04-10 1119.07
04-11 1203.8
04-12 1015.23
04-13 848.14
04-14 796.29
04-15 714.0
04-16 751.08
04-17 838.08
04-18 762.08
04-19 835.85
04-20 941.85
04-21 835.15
04-22 763.36
04-23 843.07
04-24 1006.64
04-25 1175.69
04-26 975.43
04-27 961.36
04-28 917.79
04-29 804.14
04-30 723.38
05-01 817.13
05-02 634.86
05-03 630.15
05-04 716.64
05-05 719.67
05-06 826.8
05-07 833.43
05-08 707.36
05-09 647.4
05-10 675.86
05-11 548.47
05-12 488.93
05-13 541.27
05-14 577.0
05-15 673.62
05-16 727.64
05-17 604.93
05-18 478.6
05-19 492.07
05-20 461.15
05-21 392.09
05-22 400.87
05-23 402.29
05-24 362.48
05-25 429.6
05-26 366.25
05-27 346.84
05-28 448.19
05-29 392.49
05-30 423.08
05-31 343.1
06-01 312.04
06-02 275.64
06-03 251.57
06-04 230.81
06-05 282.62
06-06 326.86
06-07 301.66
06-08 255.31
06-09 284.8
06-10 348.25
06-11 416.55
06-12 371.77
06-13 333.27
06-14 339.23
06-15 289.06
06-16 352.63
06-17 296.0
06-18 247.53
06-19 232.57
06-20 207.53
06-21 189.88
06-22 184.34
06-23 163.62
06-24 153.01
06-25 141.84
06-26 146.36
06-27 157.84
06-28 158.12
06-29 147.73
06-30 127.64
07-01 116.03
07-02 106.19
07-03 98.67
07-04 95.56
07-05 86.11
07-06 83.08
07-07 80.34
07-08 76.38
07-09 72.2
07-10 72.58
07-11 73.22
07-12 72.42
07-13 67.0
07-14 61.97
07-15 58.84
07-16 54.82
07-17 56.12
07-18 56.54
07-19 53.89
07-20 53.71
07-21 51.37
07-22 51.24
07-23 47.91
07-24 47.35
07-25 44.92
07-26 43.34
07-27 41.79
07-28 40.83
07-29 39.76
07-30 39.3
07-31 39.56
08-01 37.88
08-02 37.39
08-03 36.44
08-04 35.93
08-05 34.98
08-06 34.51
08-07 34.14
08-08 34.6
08-09 34.4
08-10 33.73
08-11 32.2
08-12 31.64
08-13 31.56
08-14 30.39
08-15 29.76
08-16 29.8
08-17 31.94
08-18 30.22
08-19 29.16
08-20 28.45
08-21 27.86
08-22 27.42
08-23 26.94
08-24 26.2
08-25 25.71
08-26 26.18
08-27 25.49
08-28 24.8
08-29 24.84
08-30 27.2
08-31 26.31
09-01 25.26
09-02 25.59
09-03 25.03
09-04 24.6
09-05 24.03
09-06 25.43
09-07 29.98
09-08 25.92
09-09 26.51
09-10 26.73
09-11 25.02
09-12 23.34
09-13 22.64
09-14 22.76
09-15 22.28
09-16 29.25
09-17 25.68
09-18 60.55
09-19 67.99
09-20 68.99
09-21 66.46
09-22 37.59
09-23 42.84
09-24 39.69
09-25 72.78
09-26 57.74
09-27 42.78
09-28 78.03
09-29 281.6
09-30 642.61
10-01 286.46
10-02 196.35
10-03 126.18
10-04 92.02
10-05 79.92
10-06 135.98
10-07 78.96
10-08 121.17
10-09 116.09
10-10 84.96
10-11 139.42
10-12 213.72
10-13 232.77
10-14 331.12
10-15 302.33
10-16 209.97
10-17 116.11
10-18 108.64
10-19 278.35
10-20 412.4
10-21 427.71
10-22 642.05
10-23 557.78
10-24 335.94
10-25 302.45
10-26 323.26
10-27 369.64
10-28 454.31
10-29 548.94
10-30 435.57
10-31 590.55
11-01 332.44
11-02 448.72
11-03 417.72
11-04 328.39
11-05 1413.27
11-06 717.83
11-07 747.38
11-08 641.58
11-09 443.15
11-10 442.92
11-11 397.81
11-12 550.02
11-13 705.68
11-14 886.2
11-15 926.36
11-16 729.82
11-17 816.75
11-18 688.3
11-19 676.84
11-20 1224.55
11-21 778.95
11-22 1174.18
11-23 837.47
11-24 833.35
11-25 730.78
11-26 788.38
11-27 734.58
11-28 972.14
11-29 1155.2
11-30 668.83
12-01 688.56
12-02 800.01
12-03 956.83
12-04 1208.36
12-05 1264.74
12-06 996.32
12-07 816.18
12-08 1184.07
12-09 1070.36
12-10 1448.69
12-11 1298.93
12-12 1572.86
12-13 813.33
12-14 689.75
12-15 536.62
12-16 673.15
12-17 1701.17
12-18 1055.67
12-19 2120.42
12-20 1981.09
12-21 2901.33
12-22 1835.5
12-23 1166.46
12-24 1332.85
12-25 1153.08
12-26 971.33
12-27 1190.45
12-28 1099.55
12-29 1450.75
12-30 1409.45
12-31 957.82

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index